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-rw-r--r--lib/ruby_vm/mjit/jit_state.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/ruby_vm/mjit/jit_state.rb b/lib/ruby_vm/mjit/jit_state.rb
index cf1ec2bbd1..6cc14020dc 100644
--- a/lib/ruby_vm/mjit/jit_state.rb
+++ b/lib/ruby_vm/mjit/jit_state.rb
@@ -23,6 +23,7 @@ module RubyVM::MJIT
def peek_at_stack(depth_from_top)
raise 'not at current insn' unless at_current_insn?
offset = -(1 + depth_from_top)
+ # rb_mjit_branch_stub_hit updates SP, so you don't need to worry about sp_offset
value = (cfp.sp + offset).*
C.to_ruby(value)
end